BIOS 242 Week 4 Lab 1; Disinfectants and Antibiotics

Lab Report: Disinfectants and Antibiotics Purpose: Describe the purpose of the lab. Exercise 1: Disinfectants Organism 1: Be sure to record the chemical or product you tested and complete this table by obtaining data from other groups in your class Organism 2: Be sure to record the chemical or product you tested and complete this table by obtaining data from other groups in your class Questions: 1. Was your test chemical effective? Briefly explain. 2. Was your test chemical more effective that the lab disinfectant? Briefly explain. 3. Was your test chemical bactericidal or bacteriostatic? 4. Look up the label of the preparation you tested. What is (are) the active ingredient(s)? 5. Using your textbook or another reference, find the method of action of the active ingredient(s) in the test substance. Exercise 2: Antimicrobial Agents Questions 1. Which antimicrobial agents were most effective against each organism? 2. In which growth phase is an organism most sensitive to an antimicrobial agent? Why? 3. Using your textbook to find one example of the antimicrobial agents listed with the following mode of action and complete the table below.